The latest Dimir Whirza lists are just playing Urza, Lord High Artificer, but Rending Volley becomes a great sideboard option if they ever go back to playing Emry, Lurker of the Loch
Saffgor: With access to Haste, this is almost always going to flip right back given the mana generated by Clive, so I don't hate this as a stompy, removal piece courtesy of some reasonable equipment & removal
Take the concept of +1/+1, -1/-1, or level up counters to the next step and you have permanent alterations to a card, or what MTG Arena calls perpetually
III Sacrifice a creature token
Overlord of the Boilerbilges Overlord of the Boilerbilges is similar to Inferno Titan, but just a little stronger thanks to how impending saves you from the disastrous scenario of staring at your 6-drop while your opponent beats you down